Chief Ace

The trump card refers to the last trump card, which is the trump card. It is much stronger than normal and will not be used unless absolutely necessary. Just like the ace wild boy in the special forces, the Special Air Service (SAS), and the Second Joint Task Force (JTF2). The aces among agents are the FBI, MI6, and Mossad. Ace is not only an easy thing but also a responsibility. Let's see how Sun Yun becomes the chief among the aces! !